Dyfyniad APA

HOBHOUSE, H. Seeds of change ; six plants that transformed mankind. New York.

Dyfyniad Arddull Chicago

HOBHOUSE, HENRY. Seeds of Change ; Six Plants That Transformed Mankind. New York.

Dyfyniad MLA

HOBHOUSE, HENRY. Seeds of Change ; Six Plants That Transformed Mankind. New York.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.